THE thermal conductivity of powdered plaster of Paris was reported in 1896 by Lees and Chorlton 1. Their value of 0.00261 gm. cal./sec./deg C./cm. has since been incorporated into the literature of ...

What happens when you mix Plaster of Paris with resin? The outcome is unexpected! Watch this experiment to see the reaction and learn if this technique is worth trying. Newsom slammed for ignoring ...